Every man must define his identity against his mother. If he does not, he just falls back into her and is swallowed up.
See, the 'On the Road' that came out in 1957 was censored. A lot of the honesty of it, the bitter honesty, is in the original scroll version that came out in 2007 on the 50-year anniversary. Back then, there was so much post-Second World War fear that was imposed on everybody - 'You must live life this way' - and these guys were bored.